—Did you look up the time of trains to Shanghai? —Yes, the earliest train is _____ to leave at 5:30 am.
Something ___ to save our earth. Do you think so?
I’ m sorry, I mistook you ___ your sister ___ mistake.
The scientists are trying to ___ natural energy to decrease air pollution.
China is ___ the east of Asia while Japan is ___ the east of China.
He spoke so slowly that we all could ___ him.